+.sp 2
+CR Categories and Subject Descriptors:
+D.4.3
+.B "[Operating Systems]":
+File Systems Management \-
+.I "file organization, directory structures, access methods";
+D.4.2
+.B "[Operating Systems]":
+Storage Management \-
+.I "allocation/deallocation strategies, secondary storage devices";
+D.4.8
+.B "[Operating Systems]":
+Performance \-
+.I "measurements, operational analysis";
+H.3.2
+.B "[Information Systems]":
+Information Storage \-
+.I "file organization"
+.sp
+Additional Keywords and Phrases:
+UNIX,
+file system organization,
+file system performance,
+file system design,
+application program interface.
+.sp
+General Terms:
+file system,
+measurement,
+performance.